#include <iostream>
using namespace std;
int main(){
	double p, q;
	cin >> p >> q;
	double P1 = (1 - p) * q;
	double P2= p * (1 - q) * q;
	if (P1 < P2){
		cout << "YES" << endl;
	} else {
		cout << "NO" << endl;
	}
}